#include #include #include #include #include #include using namespace std; using i32 = int; using u32 = unsigned int; using i64 = long long; using u64 = unsigned long long; #define rep(i,n) for(int i=0; i<(int)(n); i++) const i64 INF = 1001001001001001001; using Modint = atcoder::static_modint<998244353>; int main(){ int N; cin >> N; vector A(N); rep(i,N) cin >> A[i]; vector B; rep(i,N){ while(!B.empty() && A[B.back()] > A[i]) B.pop_back(); B.push_back(i); } Modint ans = 1; rep(i,B.size()-1) ans *= (B[i+1] - B[i] + 1); cout << ans.val() << endl; return 0; } struct ios_do_not_sync{ ios_do_not_sync(){ ios::sync_with_stdio(false); cin.tie(nullptr); } } ios_do_not_sync_instance;